(List
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('source', {[VarSub 1]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('dest', {[VarSub 2]})])
  (Com {[LIT_CHARS echo]} {[LIT_CHARS copying]} {[VarSub source]} {[LIT_CHARS to]} {[VarSub dest]})
  (FunctionDef delete_extra []
    (If
      (Com {[LIT_OTHER "["]} {[LIT_OTHER "!"]} {[LIT_CHARS -L]} {[DQ [VarSub 1]]} {[LIT_OTHER "]"]})
      (If
        (Com {[LIT_OTHER "["]} {[LIT_OTHER "!"]} {[LIT_CHARS -e]} {[DQ [VarSub source][LIT_CHARS /][VarSub 1]]} {[LIT_OTHER "]"]})
        (List
          (Com {[LIT_CHARS echo]} {[LIT_CHARS rm]} {[LIT_CHARS -rf]} {[DQ [VarSub dest][LIT_CHARS /][VarSub 1]]})
          (Com {[LIT_CHARS rm]} {[LIT_CHARS -rf]} {[DQ [VarSub dest][LIT_CHARS /][VarSub 1]]})
        )
        (Com {[LIT_OTHER "["]} {[LIT_CHARS -d]} {[DQ [VarSub 1]]} {[LIT_OTHER "]"]})
        (For f [{[DQ [VarSub 1]] [LIT_CHARS /] [LIT_OTHER "*"]}])
          (Com {[LIT_CHARS delete_extra]} {[DQ [VarSub f]]})
        )
      )
    )
  )
  (FunctionDef copy_if_older []
    (If
      (AndOr OP_AND_IF
        (Com {[LIT_OTHER "["]} {[LIT_CHARS -d]} {[DQ [VarSub 1]]} {[LIT_OTHER "]"]})
        (Com {[LIT_OTHER "["]} {[LIT_CHARS -e]} {[DQ [VarSub dest][LIT_CHARS /][VarSub 1]]} {[LIT_OTHER "]"]})
      )
      (If
        (Com {[LIT_OTHER "["]} {[LIT_OTHER "!"]} {[LIT_CHARS -e]} {[DQ [VarSub dest][LIT_CHARS /][VarSub 1]]} {[LIT_OTHER "]"]})
        (List
          (Com {[LIT_CHARS echo]} {[LIT_CHARS cp]} {[LIT_CHARS -a]} {[DQ [VarSub 1]]} {[DQ [VarSub dest][LIT_CHARS /][VarSub 1]]})
          (Com {[LIT_CHARS cp]} {[LIT_CHARS -a]} {[DQ [VarSub 1]]} {[DQ [VarSub dest][LIT_CHARS /][VarSub 1]]})
        )
        (ElseTrue)
        (For f [{[DQ [VarSub 1]] [LIT_CHARS /] [LIT_OTHER "*"]}])
          (Com {[LIT_CHARS copy_if_older]} {[DQ [VarSub f]]})
        )
      )
      (AndOr OP_OR_IF
        (Com {[LIT_OTHER "["]} {[LIT_OTHER "!"]} {[LIT_CHARS -e]} {[DQ [VarSub dest][LIT_CHARS /][VarSub 1]]} {[LIT_OTHER "]"]})
        (AndOr OP_OR_IF
          (Com {[LIT_OTHER "["]} {[DQ [VarSub 1]]} {[LIT_CHARS -ot]} {[DQ [VarSub dest][LIT_CHARS /][VarSub 1]]} {[LIT_OTHER "]"]})
          (Com {[LIT_OTHER "["]} {[DQ [VarSub 1]]} {[LIT_CHARS -nt]} {[DQ [VarSub dest][LIT_CHARS /][VarSub 1]]} {[LIT_OTHER "]"]})
        )
      )
      (List
        (Com {[LIT_CHARS echo]} {[LIT_CHARS cp]} {[LIT_CHARS -a]} {[DQ [VarSub 1]]} {[DQ [VarSub dest][LIT_CHARS /][VarSub 1]]})
        (Com {[LIT_CHARS cp]} {[LIT_CHARS -a]} {[DQ [VarSub 1]]} {[DQ [VarSub dest][LIT_CHARS /][VarSub 1]]})
      )
    )
  )
  (If
    (Com {[LIT_OTHER "["]} {[LIT_CHARS -e]} {[DQ [VarSub dest]]} {[LIT_OTHER "]"]})
    (List
      (Com {[LIT_CHARS echo]} {[LIT_CHARS cd]} {[DQ [VarSub dest]]})
      (Com {[LIT_CHARS cd]} {[DQ [VarSub dest]]})
      (For f [{[LIT_CHARS ./] [LIT_OTHER "*"]}])
        (If
          (Com {[LIT_OTHER "["]} {[LIT_CHARS -e]} {[DQ [VarSub f]]} {[LIT_OTHER "]"]})
          (Com {[LIT_CHARS delete_extra]} {[DQ [VarSub f]]})
        )
      )
    )
    (ElseTrue)
    (List
      (Com {[LIT_CHARS echo]} {[LIT_CHARS mkdir]} {[DQ [VarSub dest]]})
      (Com {[LIT_CHARS mkdir]} {[DQ [VarSub dest]]})
    )
  )
  (Com {[LIT_CHARS echo]} {[LIT_CHARS cd]} {[DQ [VarSub source]]})
  (Com {[LIT_CHARS cd]} {[DQ [VarSub source]]})
  (For f [{[LIT_CHARS ./] [LIT_OTHER "*"]}])
    (If
      (Com {[LIT_OTHER "["]} {[LIT_CHARS -e]} {[DQ [VarSub f]]} {[LIT_OTHER "]"]})
      (Com {[LIT_CHARS copy_if_older]} {[DQ [VarSub f]]})
    )
  )
)