(List
  (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[] bindings=[('CURL', {[SQ <LIT_CHARS curl>]})])
  (If
    (Com {[LIT_DBRACKET_LIKE "["]} {[LIT_CHARS -n]} {[DQ [VarSub PROXY]]} {[LIT_DBRACKET_LIKE "]"]}    )
    (List
      (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Setting up and testing proxy"]]}      )
      (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[] bindings=[('http_proxy', {[LIT_CHARS http] [LIT_OTHER ":"] [LIT_CHARS //] [VarSub PROXY]})])
      (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[] bindings=[('https_proxy', {[LIT_CHARS https] [LIT_OTHER ":"] [LIT_CHARS //] [VarSub PROXY]})])
      (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[] bindings=[('GIT_SSL_NO_VERIFY', {[LIT_CHARS true]})])
      (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[] bindings=[('CURL', {[DQ [LIT_CHARS "curl -k -x http://"][VarSub PROXY]]})])
      (Com {[VarSub CURL]} {[LIT_CHARS -s]} {[LIT_CHARS --connect-timeout]} {[LIT_CHARS 1]} {[LIT_CHARS http] [LIT_OTHER ":"] [LIT_CHARS //www.ubuntu.com]}
        <
        (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT ">"> 1),
        >
      )
      (If
        (DBracket {B2 BINARY_STRING_NOT_EQUAL {[VarSub ?]} {[LIT_CHARS 0]}})
        (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Error: proxy "][VarSub PROXY][LIT_CHARS " not responding"]]}        )
        (ElseTrue)
        (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Using a proxy at "][VarSub PROXY]]}        )
      )
    )
  )
)