(List
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('mirror_base_address', {[DQ [LIT_CHARS "https://storage.googleapis.com/nativeclient-mirror/toolchain"]]})])
  (If
    (DParen {A2 AS_OP_DPIPE {A2 AS_OP_LESS {A Atom NODE_ARITH_WORD {[VarSub #]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 1]}}} {A2 AS_OP_GREAT {A Atom NODE_ARITH_WORD {[VarSub #]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 2]}}}})
    (List
      (Com {[LIT_CHARS cat]}
        <
        (HereDocRedirectNode here_end='END' do_expansion=True body_word={[DQ [LIT_CHARS "Usage:\n"][LIT_CHARS "  "][VarSub 0][LIT_CHARS " <revision> [SRC-directory name]\n"][LIT_CHARS "\n"][LIT_CHARS "This script downloads pristine sources and applies patches found on\n"][LIT_CHARS "https://gsdview.appspot.com/nativeclient-archive2/x86_toolchain/r<revison>/\n"][LIT_CHARS "By default sources are put in SRC directory (which should be empty).\n"]]} <REDIR_DLESS "<<"> 0),
        >
      )
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
    )
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('dir', {[DQ [ComSub (Com {[LIT_CHARS realpath]} {[DQ [ComSub (Com {[LIT_CHARS dirname]} {[DQ [VarSub 0]]})]]})]]})])
  (If
    (DParen {A2 AS_OP_DEQUAL {A Atom NODE_ARITH_WORD {[VarSub #]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 2]}}})
    (If
      (DBracket {B2 BINARY_STRING_EQUAL {[DQ [VarSub 2 transform_ops=[Slice {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 0]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 1]}}]]]} {[DQ [LIT_CHARS /]]}})
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('target', {[DQ [VarSub 2]]})])
      (ElseTrue)
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('target', {[DQ [VarSub dir][LIT_CHARS /][VarSub 2]]})])
    )
    (ElseTrue)
    (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('target', {[DQ [VarSub dir][LIT_CHARS /SRC]]})])
  )
  (If
    (AndOr OP_AND_IF
      (DBracket {B1 UNARY_FILE_e {[DQ [VarSub target]]}})
      (DParen {A2 AS_OP_GREAT {A Atom NODE_ARITH_WORD {[ComSub (Pipeline (Com {[LIT_CHARS find]} {[DQ [VarSub target]]} {[LIT_CHARS -maxdepth]} {[LIT_CHARS 1]} {[LIT_OTHER "!"]} {[LIT_CHARS -name]} {[DQ [LIT_CHARS ".*"]]}) (Com {[LIT_CHARS wc]} {[LIT_CHARS -l]}) )]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 1]}}})
    )
    (List
      (Com {[LIT_CHARS cat]}
        <
        (HereDocRedirectNode here_end='END' do_expansion=True body_word={[DQ [VarSub target][LIT_CHARS " already exist and it's not empty. Not overwriting.\n"]]} <REDIR_DLESS "<<"> 0),
        >
      )
      (Com {[LIT_CHARS exit]} {[LIT_CHARS 2]})
    )
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('tar', {[ComSub (AndOr OP_OR_IF (Com {[LIT_CHARS which]} {[LIT_CHARS gnutar]}) (Com {[LIT_CHARS which]} {[LIT_CHARS tar]}) )]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('uncompress', {[ComSub (Com {[LIT_CHARS which]} {[LIT_CHARS xz]})]})])
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('suffix', {[LIT_CHARS xz]})])
  (If
    (DBracket {B2 BINARY_STRING_EQUAL {[DQ [VarSub uncompress]]} {[DQ ]}})
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('uncompress', {[LIT_CHARS bzip2]})])
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('suffix', {[LIT_CHARS bz2]})])
    )
  )
  (If
    (DBracket {B2 BINARY_STRING_EQUAL {[DQ [ComSub (Com {[LIT_CHARS which]} {[LIT_CHARS wget]})]]} {[DQ ]}})
    (FunctionDef wget []
      (If
        (DParen {A2 AS_OP_DEQUAL {A Atom NODE_ARITH_WORD {[VarSub #]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 1]}}})
        (Com {[LIT_CHARS curl]} {[DQ [VarSub 1]]} {[LIT_CHARS -o]} {[DQ [ComSub (Com {[LIT_CHARS basename]} {[DQ [VarSub 1]]})]]})
        (ElseTrue)
        (Com {[LIT_CHARS curl]} {[DQ [VarSub 1]]})
      )
    )
  )
  (Com {[LIT_CHARS set]} {[LIT_CHARS -e]})
  (Com {[LIT_CHARS set]} {[LIT_CHARS -u]})
  (Com {[LIT_CHARS set]} {[LIT_CHARS -x]})
  (Com {[LIT_CHARS mkdir]} {[LIT_CHARS -p]} {[DQ [VarSub target]]})
  (Subshell
    (List
      (Com {[LIT_CHARS flock]} {[LIT_CHARS -x]} {[LIT_CHARS 3]})
      (If
        (DParen {A2 AS_OP_LE {A Atom NODE_ARITH_WORD {[ComSub (Pipeline (Com {[LIT_CHARS find]} {[DQ [VarSub target]]} {[LIT_CHARS -maxdepth]} {[LIT_CHARS 1]} {[LIT_OTHER "!"]} {[LIT_CHARS -name]} {[DQ [LIT_CHARS ".*"]]}) (Com {[LIT_CHARS wc]} {[LIT_CHARS -l]}) )]}} {A Atom NODE_ARITH_WORD {[AS_NUM_LITERAL 1]}}})
        (List
          (Pipeline
            (Com {[LIT_CHARS wget]} {[DQ [LIT_CHARS "https://gsdview.appspot.com/nativeclient-archive2/x86_toolchain/r"][VarSub 1][LIT_CHARS /]]} {[LIT_CHARS -O-]})
            (Com {[LIT_CHARS grep]} {[LIT_CHARS patch.] [VarSub suffix]})
            (While
              (Com {[LIT_CHARS read]} {[LIT_CHARS -r]} {[LIT_CHARS -d]} {[SQ <LIT_CHARS "\\n">]} {[LIT_CHARS prefix]} {[LIT_CHARS patchname]} {[LIT_CHARS suffix]}
                            more_env=[('IFS', {[SQ <LIT_CHARS "\"">]})]
              )
              (List
                (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('basename', {[DQ [ComSub (Com {[LIT_CHARS basename]} {[DQ [VarSub patchname]]})]]})])
                (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('version', {[DQ [VarSub basename transform_ops=[VS_UNARY_POUND {[LIT_CHARS "*-"]}]]]})])
                (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('version', {[DQ [VarSub version transform_ops=[VS_UNARY_PERCENT {[LIT_CHARS "-*"]}]]]})])
                (Com {[LIT_CHARS cd]} {[DQ [VarSub target]]})
                (Case to_match={[DQ [VarSub basename]]}, pat_word_list=[[{[LIT_OTHER "*"] [LIT_CHARS binutils] [LIT_OTHER "*"]}], [{[LIT_OTHER "*"] [LIT_CHARS gcc] [LIT_OTHER "*"]}], [{[LIT_OTHER "*"] [LIT_CHARS glibc] [LIT_OTHER "*"]}], [{[LIT_OTHER "*"] [LIT_CHARS newlib] [LIT_OTHER "*"]}], [{[LIT_OTHER "*"]}]]
                  (List
                    (Com {[LIT_CHARS wget]} {[DQ [VarSub mirror_base_address][LIT_CHARS /binutils/binutils-][VarSub version][LIT_CHARS .tar.bz2]]})
                    (Com {[DQ [VarSub tar]]} {[LIT_CHARS xjSvpf]} {[DQ [LIT_CHARS binutils-][VarSub version][LIT_CHARS .tar.bz2]]})
                    (Com {[LIT_CHARS mv]} {[DQ [LIT_CHARS binutils-][VarSub version]]} {[DQ [LIT_CHARS binutils]]})
                    (Com {[LIT_CHARS cd]} {[DQ [LIT_CHARS binutils]]})
                  )
                  (List
                    (Com {[LIT_CHARS wget]} {[DQ [VarSub mirror_base_address][LIT_CHARS /gcc/gcc-][VarSub version][LIT_CHARS /gcc-core-][VarSub version][LIT_CHARS .tar.bz2]]})
                    (Com {[DQ [VarSub tar]]} {[LIT_CHARS xjSvpf]} {[DQ [LIT_CHARS gcc-core-][VarSub version][LIT_CHARS .tar.bz2]]})
                    (Com {[LIT_CHARS wget]} {[DQ [VarSub mirror_base_address][LIT_CHARS /gcc/gcc-][VarSub version][LIT_CHARS /gcc-fortran-][VarSub version][LIT_CHARS .tar.bz2]]})
                    (Com {[DQ [VarSub tar]]} {[LIT_CHARS xjSvpf]} {[DQ [LIT_CHARS gcc-fortran-][VarSub version][LIT_CHARS .tar.bz2]]})
                    (Com {[LIT_CHARS wget]} {[DQ [VarSub mirror_base_address][LIT_CHARS /gcc/gcc-][VarSub version][LIT_CHARS "/gcc-g++-"][VarSub version][LIT_CHARS .tar.bz2]]})
                    (Com {[DQ [VarSub tar]]} {[LIT_CHARS xjSvpf]} {[DQ [LIT_CHARS "gcc-g++-"][VarSub version][LIT_CHARS .tar.bz2]]})
                    (Com {[LIT_CHARS wget]} {[DQ [VarSub mirror_base_address][LIT_CHARS /gcc/gcc-][VarSub version][LIT_CHARS /gcc-objc-][VarSub version][LIT_CHARS .tar.bz2]]})
                    (Com {[DQ [VarSub tar]]} {[LIT_CHARS xjSvpf]} {[DQ [LIT_CHARS gcc-objc-][VarSub version][LIT_CHARS .tar.bz2]]})
                    (Com {[LIT_CHARS wget]} {[DQ [VarSub mirror_base_address][LIT_CHARS /gcc/gcc-][VarSub version][LIT_CHARS /gcc-testsuite-][VarSub version][LIT_CHARS .tar.bz2]]})
                    (Com {[DQ [VarSub tar]]} {[LIT_CHARS xjSvpf]} {[DQ [LIT_CHARS gcc-testsuite-][VarSub version][LIT_CHARS .tar.bz2]]})
                    (Com {[LIT_CHARS mv]} {[DQ [LIT_CHARS gcc-][VarSub version]]} {[DQ [LIT_CHARS gcc]]})
                    (Com {[LIT_CHARS cd]} {[DQ [LIT_CHARS gcc]]})
                  )
                  (List
                    (Com {[LIT_CHARS wget]} {[DQ [VarSub mirror_base_address][LIT_CHARS /glibc/glibc-][VarSub version][LIT_CHARS .tar.bz2]]})
                    (Com {[DQ [VarSub tar]]} {[LIT_CHARS xjSvpf]} {[DQ [LIT_CHARS glibc-][VarSub version][LIT_CHARS .tar.bz2]]})
                    (Com {[LIT_CHARS wget]} {[DQ [VarSub mirror_base_address][LIT_CHARS /glibc/glibc-libidn-][VarSub version][LIT_CHARS .tar.bz2]]})
                    (Com {[DQ [VarSub tar]]} {[LIT_CHARS xjSvpf]} {[DQ [LIT_CHARS glibc-libidn-][VarSub version][LIT_CHARS .tar.bz2]]})
                    (Com {[LIT_CHARS mv]} {[DQ [LIT_CHARS glibc-][VarSub version]]} {[DQ [LIT_CHARS glibc]]})
                    (Com {[LIT_CHARS mv]} {[DQ [LIT_CHARS glibc-libidn-][VarSub version]]} {[DQ [LIT_CHARS glibc/libidn]]})
                    (Com {[LIT_CHARS cd]} {[DQ [LIT_CHARS glibc]]})
                  )
                  (List
                    (Com {[LIT_CHARS wget]} {[DQ [VarSub mirror_base_address][LIT_CHARS /newlib/newlib-][VarSub version][LIT_CHARS .tar.gz]]})
                    (Com {[DQ [VarSub tar]]} {[LIT_CHARS xzSvpf]} {[DQ [LIT_CHARS newlib-][VarSub version][LIT_CHARS .tar.gz]]})
                    (Com {[LIT_CHARS mv]} {[DQ [LIT_CHARS newlib-][VarSub version]]} {[DQ [LIT_CHARS newlib]]})
                    (Com {[LIT_CHARS cd]} {[DQ [LIT_CHARS newlib]]})
                  )
                  (List
                    (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Unknown package: "][VarSub basename]]})
                    (Com {[LIT_CHARS exit]} {[LIT_CHARS 3]})
                  )
                )
                (Pipeline
                  (Com {[LIT_CHARS wget]} {[DQ [LIT_CHARS "https://storage.googleapis.com"][VarSub patchname]]} {[LIT_CHARS -O-]})
                  (Com {[DQ [VarSub uncompress]]} {[LIT_CHARS -d]})
                  (Com {[LIT_CHARS patch]} {[LIT_CHARS -p1]})
                )
              )
            )
          )
          (Com {[LIT_CHARS cd]} {[DQ [VarSub target]]})
          (Com {[LIT_CHARS rm]} {[LIT_OTHER "*"] [LIT_CHARS .tar.] [LIT_OTHER "*"]})
        )
      )
    )
  )
)