(List
  (Com {[LIT_CHARS .]} {[VarSub REPO_ROOT] [LIT_CHARS /bootstrap/shared/shared_functions.sh]})
  (Com {[LIT_CHARS load_configs]})
  (AndOr OP_OR_IF
    (Com {[LIT_OTHER "["]} {[LIT_CHARS -n]} {[DQ [VarSub SHARED_PROXY_SETUP]]} {[LIT_OTHER "]"]})
    (List
      (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('REQUIRED_VARS', {[Array {[LIT_CHARS BOOTSTRAP_HTTP_PROXY]} {[LIT_CHARS BOOTSTRAP_HTTPS_PROXY]}]})])
      (Com {[LIT_CHARS check_for_envvars]} {[VarSub REQUIRED_VARS bracket_op=(Index {A Atom NODE_ARITH_WORD {AS_OP_AT "@"}})]})
      (Com {[LIT_CHARS set]} {[LIT_CHARS -e]})
      (If
        (Com {[LIT_OTHER "["]} {[LIT_OTHER "!"]} {[LIT_CHARS -z]} {[DQ [VarSub BOOTSTRAP_HTTP_PROXY]]} {[LIT_OTHER "]"]})
        (List
          (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[] bindings=[('http_proxy', {[LIT_CHARS http] [LIT_OTHER ":"] [LIT_CHARS //] [VarSub BOOTSTRAP_HTTP_PROXY]})])
          (AndOr OP_AND_IF
            (Com {[LIT_CHARS curl]} {[LIT_CHARS -s]} {[LIT_CHARS --connect-timeout]} {[LIT_CHARS 10]} {[LIT_CHARS http] [LIT_OTHER ":"] [LIT_CHARS //www.google.com]}
              <
              (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT ">"> 1),
              >
            )
            (Com {[LIT_CHARS true]})
          )
          (If
            (DBracket {B2 BINARY_STRING_NOT_EQUAL {[VarSub ?]} {[LIT_CHARS 0]}})
            (List
              (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Error: proxy "][VarSub BOOTSTRAP_HTTP_PROXY][LIT_CHARS " non-functional for HTTP requests"]]}
                <
                (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND ">&"> 1),
                >
              )
              (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
            )
          )
        )
      )
      (If
        (Com {[LIT_OTHER "["]} {[LIT_OTHER "!"]} {[LIT_CHARS -z]} {[DQ [VarSub BOOTSTRAP_HTTPS_PROXY]]} {[LIT_OTHER "]"]})
        (List
          (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[] bindings=[('https_proxy', {[LIT_CHARS https] [LIT_OTHER ":"] [LIT_CHARS //] [VarSub BOOTSTRAP_HTTPS_PROXY]})])
          (AndOr OP_AND_IF
            (Com {[LIT_CHARS curl]} {[LIT_CHARS -s]} {[LIT_CHARS --connect-timeout]} {[LIT_CHARS 10]} {[LIT_CHARS https] [LIT_OTHER ":"] [LIT_CHARS //github.com]}
              <
              (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT ">"> 1),
              >
            )
            (Com {[LIT_CHARS true]})
          )
          (If
            (DBracket {B2 BINARY_STRING_NOT_EQUAL {[VarSub ?]} {[LIT_CHARS 0]}})
            (List
              (Com {[LIT_CHARS echo]} {[DQ [LIT_CHARS "Error: proxy "][VarSub BOOTSTRAP_HTTPS_PROXY][LIT_CHARS " non-functional for HTTPS requests"]]}
                <
                (DescriptorRedirectNode target={[LIT_CHARS 2]} <REDIR_GREATAND ">&"> 1),
                >
              )
              (Com {[LIT_CHARS exit]} {[LIT_CHARS 1]})
            )
          )
        )
      )
    )
  )
  (= scope=<EAssignScope.GLOBAL 1> flags=1 words=[] bindings=[('SHARED_PROXY_SETUP', {[LIT_CHARS 1]})])
)