(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:DIR)
          op: Equal
          rhs: 
            {
              (DQ 
                (CommandSubPart
                  command_list: 
                    (CommandList
                      children: [
                        (AndOr
                          ops: [Op_DAmp]
                          children: [
                            (C {(cd)} 
                              {
                                (DQ 
                                  (CommandSubPart
                                    command_list: 
                                      (CommandList
                                        children: [
                                          (C {(dirname)} 
                                            {
                                              (DQ 
                                                (BracedVarSub
                                                  token: <VSub_Name BASH_SOURCE>
                                                  bracket_op: 
                                                    (ArrayIndex
                                                      expr: (ArithWord w:{(Lit_Digits 0)})
                                                    )
                                                  spids: [29 34]
                                                )
                                              )
                                            }
                                          )
                                        ]
                                      )
                                    left_token: <Left_CommandSub '$('>
                                    spids: [24 37]
                                  )
                                )
                              }
                            )
                            (C {(pwd)})
                          ]
                        )
                      ]
                    )
                  left_token: <Left_CommandSub '$('>
                  spids: [19 44]
                )
              )
            }
          spids: [17]
        )
      ]
      spids: [17]
    )
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: 
                (DBracket
                  expr: (BoolUnary op_id:BoolUnary_f child:{($ VSub_Name '$DIR') (/share.sh)})
                )
              terminator: <Op_Semi ';'>
            )
          ]
          action: [(C {(.)} {(DQ ($ VSub_Name '$DIR') (/share.sh))})]
          spids: [16777215 60]
        )
      ]
      spids: [16777215 70]
    )
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: (DBracket expr:(BoolUnary op_id:BoolUnary_f child:{($ VSub_Name '$DIR') (/share)}))
              terminator: <Op_Semi ';'>
            )
          ]
          action: [(C {(.)} {(DQ ($ VSub_Name '$DIR') (/share))})]
          spids: [16777215 85]
        )
      ]
      spids: [16777215 95]
    )
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: (C {(Lit_Other '[')} {(-z)} {(DQ ($ VSub_Name '$OCAMLOPT'))} {(Lit_Other ']')})
              terminator: <Op_Semi ';'>
            )
          ]
          action: [
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:OCAMLOPT)
                  op: Equal
                  rhs: {(DQ (ocamlopt.opt))}
                  spids: [114]
                )
              ]
              spids: [114]
            )
          ]
          spids: [16777215 111]
        )
      ]
      spids: [16777215 119]
    )
    (C {($ VSub_Name '$OCAMLOPT')} {(DQ ($ VSub_At '$@'))})
  ]
)