(List
  (AndOr OP_AND_IF
    (Com {[LIT_OTHER "["]} {[LIT_OTHER "!"]} {[LIT_CHARS -z]} {[DQ [VarSub 2]]} {[LIT_OTHER "]"]})
    (AndOr OP_AND_IF
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('REBUILD', {[DQ [VarSub 2]]})])
      (AndOr OP_AND_IF
        (Com {[LIT_OTHER "["]} {[LIT_OTHER "!"]} {[LIT_CHARS -e]} {[DQ [VarSub 2]] [LIT_CHARS .sh]} {[LIT_OTHER "]"]})
        (AndOr OP_AND_IF
          (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "no stage "][VarSub 2]]})
          (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
        )
      )
    )
  )
  (If
    (AndOr OP_OR_IF
      (Com {[LIT_OTHER "["]} {[VarSub #]} {[LIT_CHARS -lt]} {[LIT_CHARS 1]} {[LIT_OTHER "]"]})
      (AndOr OP_OR_IF
        (Com {[LIT_OTHER "["]} {[VarSub #]} {[LIT_CHARS -gt]} {[LIT_CHARS 2]} {[LIT_OTHER "]"]})
        (Com {[LIT_OTHER "["]} {[LIT_OTHER "!"]} {[LIT_CHARS -e]} {[LIT_CHARS sources/targets/] [DQ [VarSub 1]]} {[LIT_OTHER "]"]})
      )
    )
    (List
      (Com {[LIT_CHARS echo]})
      (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Usage: "][VarSub 0][LIT_CHARS " TARGET [REBUILD_FROM_STAGE]"]]})
      (Com {[LIT_CHARS echo]})
      (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Supported architectures:"]]})
      (Com {[LIT_CHARS ls]} {[LIT_CHARS sources/targets]})
      (Com {[LIT_CHARS echo]})
      (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Build stages:"]]})
      (Pipeline
        (Com {[LIT_CHARS sed]} {[LIT_CHARS -n]} {[SQ <LIT_CHARS "s/#.*//;s@.*[.]/\\([^.]*\\)[.]sh.*@\\1@p">]} {[DQ [VarSub 0]]})
        (Com {[LIT_CHARS uniq]})
        (Com {[LIT_CHARS xargs]} {[LIT_CHARS echo]})
      )
      (Com {[LIT_CHARS echo]})
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
    )
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('ARCH', {[DQ [VarSub 1]]})])
  (AndOr OP_AND_IF
    (Com {[LIT_OTHER "["]} {[LIT_CHARS -e]} {[LIT_CHARS config]} {[LIT_OTHER "]"]})
    (Com {[LIT_CHARS source]} {[LIT_CHARS config]})
  )
  (AndOr OP_AND_IF
    (Com {[LIT_OTHER "["]} {[LIT_CHARS -z]} {[DQ [VarSub BUILD]]} {[LIT_OTHER "]"]})
    (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('BUILD', {[DQ [LIT_CHARS build]]})])
  )
  (FunctionDef not_already []
    (List
      (AndOr OP_AND_IF
        (Com {[LIT_OTHER "["]} {[DQ [VarSub AGAIN]]} {[LIT_OTHER "="] [LIT_OTHER "="]} {[DQ [VarSub 1]]} {[LIT_OTHER "]"]})
        (Com {[LIT_CHARS return]} {[LIT_CHARS 0]})
      )
      (AndOr OP_AND_IF
        (Com {[LIT_OTHER "["]} {[DQ [VarSub REBUILD]]} {[LIT_OTHER "="] [LIT_OTHER "="]} {[DQ [VarSub 1]]} {[LIT_OTHER "]"]})
        (Com {[LIT_CHARS zap]} {[DQ [VarSub 1]]})
      )
      (If
        (Com {[LIT_OTHER "["]} {[LIT_CHARS -f]} {[DQ [VarSub BUILD][LIT_CHARS /][VarSub 1][LIT_CHARS -][VarSub ARCH][LIT_CHARS .tar.gz]]} {[LIT_OTHER "]"]})
        (List
          (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "=== Skipping "][VarSub 1][LIT_CHARS -][VarSub ARCH][LIT_CHARS " (already there)"]]})
          (Com {[LIT_CHARS return]} {[LIT_CHARS 1]})
        )
      )
      (Com {[LIT_CHARS return]} {[LIT_CHARS 0]})
    )
  )
  (FunctionDef zap []
    (For i [{[DQ [VarSub @]]}])
      (Com {[LIT_CHARS rm]} {[LIT_CHARS -f]} {[DQ [VarSub BUILD][LIT_CHARS /][VarSub i][LIT_CHARS -][VarSub ARCH][LIT_CHARS .tar.gz]]})
    )
  )
  (FunctionDef do_stage []
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('STAGE', {[DQ [VarSub 1]]})])
      (Com {[LIT_CHARS shift]})
      (If
        (Com {[LIT_OTHER "["]} {[DQ [VarSub AFTER]]} {[LIT_OTHER "="] [LIT_OTHER "="]} {[DQ [VarSub STAGE]]} {[LIT_OTHER "]"]})
        (Com {[LIT_CHARS unset]} {[LIT_CHARS AFTER]})
        (ElseTrue)
        (AndOr OP_OR_IF
          (Com {[LIT_CHARS time]} {[LIT_CHARS ./] [DQ [VarSub STAGE]] [LIT_CHARS .sh]} {[DQ [VarSub @]]})
          (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
        )
      )
    )
  )
  (Com {[LIT_CHARS do_stage]} {[LIT_CHARS download]})
  (If
    (Com {[LIT_OTHER "["]} {[LIT_CHARS -z]} {[DQ [VarSub NO_HOST_TOOLS]]} {[LIT_OTHER "]"]})
    (Com {[LIT_CHARS do_stage]} {[LIT_CHARS host-tools]})
  )
  (If
    (AndOr OP_AND_IF
      (Com {[LIT_OTHER "["]} {[LIT_CHARS -z]} {[DQ [VarSub MY_CROSS_PATH]]} {[LIT_OTHER "]"]})
      (Com {[LIT_CHARS not_already]} {[LIT_CHARS simple-cross-compiler]})
    )
    (List
      (Com {[LIT_CHARS zap]} {[LIT_CHARS root-filesystem]} {[LIT_CHARS cross-compiler]} {[LIT_CHARS native-compiler]})
      (Com {[LIT_CHARS do_stage]} {[LIT_CHARS simple-cross-compiler]} {[DQ [VarSub ARCH]]})
    )
  )
  (If
    (AndOr OP_AND_IF
      (Com {[LIT_OTHER "["]} {[LIT_CHARS -z]} {[DQ [VarSub MY_CROSS_PATH]]} {[LIT_OTHER "]"]})
      (AndOr OP_AND_IF
        (Com {[LIT_OTHER "["]} {[LIT_OTHER "!"]} {[LIT_CHARS -z]} {[DQ [VarSub CROSS_COMPILER_HOST]]} {[LIT_OTHER "]"]})
        (Com {[LIT_CHARS not_already]} {[LIT_CHARS cross-compiler]})
      )
    )
    (List
      (Com {[LIT_CHARS zap]} {[LIT_CHARS root-filesystem]} {[LIT_CHARS native-compiler]})
      (If
        (Com {[LIT_CHARS not_already]} {[LIT_CHARS simple-cross-compiler]}
                more_env=[('ARCH', {[DQ [VarSub CROSS_COMPILER_HOST]]})]
        )
        (Com {[LIT_CHARS do_stage]} {[LIT_CHARS simple-cross-compiler]} {[DQ [VarSub CROSS_COMPILER_HOST]]})
      )
      (Com {[LIT_CHARS do_stage]} {[LIT_CHARS cross-compiler]} {[DQ [VarSub ARCH]]})
    )
  )
  (If
    (Pipeline!
      (Com {[LIT_CHARS grep]} {[LIT_CHARS -q]} {[LIT_VAR_LIKE "KARCH="] =} {[LIT_CHARS sources/targets/] [DQ [VarSub ARCH]]})
    )
    (Com {[LIT_CHARS echo]} {[LIT_CHARS no]} {[LIT_CHARS KARCH]} {[LIT_CHARS in]} {[VarSub 1] [LIT_COMMA ","]} {[LIT_CHARS stopping]} {[LIT_CHARS here]})
  )
  (If
    (Com {[LIT_CHARS not_already]} {[LIT_CHARS root-filesystem]})
    (Com {[LIT_CHARS do_stage]} {[LIT_CHARS root-filesystem]} {[DQ [VarSub ARCH]]})
  )
  (If
    (AndOr OP_AND_IF
      (Com {[LIT_OTHER "["]} {[LIT_CHARS -z]} {[DQ [VarSub MY_CROSS_PATH]]} {[LIT_OTHER "]"]})
      (AndOr OP_AND_IF
        (Pipeline!
          (Com {[LIT_CHARS grep]} {[LIT_CHARS -q]} {[LIT_CHARS ELF2FLT]} {[LIT_CHARS sources/targets/] [DQ [VarSub ARCH]]})
        )
        (Com {[LIT_CHARS not_already]} {[LIT_CHARS native-compiler]})
      )
    )
    (Com {[LIT_CHARS do_stage]} {[LIT_CHARS native-compiler]} {[DQ [VarSub ARCH]]})
  )
  (Com {[LIT_CHARS do_stage]} {[LIT_CHARS system-image]} {[DQ [VarSub ARCH]]})
)